NetBSD-5.0.2/sys/arch/hppa/hppa/process_machdep.c
/* $NetBSD: process_machdep.c,v 1.9 2008/01/10 21:08:40 skrll Exp $ */
/* $OpenBSD: process_machdep.c,v 1.3 1999/06/18 05:19:52 mickey Exp $ */
/*
* Copyright (c) 1999 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: process_machdep.c,v 1.9 2008/01/10 21:08:40 skrll Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/ptrace.h>
#include <sys/user.h>
#include <machine/cpufunc.h>
#include <machine/frame.h>
#include <hppa/hppa/machdep.h>
int
process_read_regs(struct lwp *l, struct reg *regs)
{
struct trapframe *tf = l->l_md.md_regs;
regs->r_regs[ 0] = tf->tf_ipsw;
regs->r_regs[ 1] = tf->tf_r1;
regs->r_regs[ 2] = tf->tf_rp;
regs->r_regs[ 3] = tf->tf_r3;
regs->r_regs[ 4] = tf->tf_r4;
regs->r_regs[ 5] = tf->tf_r5;
regs->r_regs[ 6] = tf->tf_r6;
regs->r_regs[ 7] = tf->tf_r7;
regs->r_regs[ 8] = tf->tf_r8;
regs->r_regs[ 9] = tf->tf_r9;
regs->r_regs[10] = tf->tf_r10;
regs->r_regs[11] = tf->tf_r11;
regs->r_regs[12] = tf->tf_r12;
regs->r_regs[13] = tf->tf_r13;
regs->r_regs[14] = tf->tf_r14;
regs->r_regs[15] = tf->tf_r15;
regs->r_regs[16] = tf->tf_r16;
regs->r_regs[17] = tf->tf_r17;
regs->r_regs[18] = tf->tf_r18;
regs->r_regs[19] = tf->tf_t4;
regs->r_regs[20] = tf->tf_t3;
regs->r_regs[21] = tf->tf_t2;
regs->r_regs[22] = tf->tf_t1;
regs->r_regs[23] = tf->tf_arg3;
regs->r_regs[24] = tf->tf_arg2;
regs->r_regs[25] = tf->tf_arg1;
regs->r_regs[26] = tf->tf_arg0;
regs->r_regs[27] = tf->tf_dp;
regs->r_regs[28] = tf->tf_ret0;
regs->r_regs[29] = tf->tf_ret1;
regs->r_regs[30] = tf->tf_sp;
regs->r_regs[31] = tf->tf_r31;
regs->r_sar = tf->tf_sar;
regs->r_pcsqh = tf->tf_iisq_head;
regs->r_pcsqt = tf->tf_iisq_tail;
regs->r_pcoqh = tf->tf_iioq_head;
regs->r_pcoqt = tf->tf_iioq_tail;
regs->r_sr0 = tf->tf_sr0;
regs->r_sr1 = tf->tf_sr1;
regs->r_sr2 = tf->tf_sr2;
regs->r_sr3 = tf->tf_sr3;
regs->r_sr4 = tf->tf_sr4;
regs->r_sr5 = tf->tf_sr5;
regs->r_sr6 = tf->tf_sr6;
regs->r_sr7 = tf->tf_sr7;
#if 0
regs->r_cr26 = tf->tf_xxx;
regs->r_cr27 = tf->tf_xxx;
#endif
return 0;
}
int
process_read_fpregs(struct lwp *l, struct fpreg *fpregs)
{
hppa_fpu_flush(l);
bcopy(l->l_addr->u_pcb.pcb_fpregs, fpregs, sizeof(*fpregs));
fdcache(HPPA_SID_KERNEL, (vaddr_t)&l->l_addr->u_pcb.pcb_fpregs,
sizeof(*fpregs));
return 0;
}
int
process_write_regs(struct lwp *l, const struct reg *regs)
{
struct trapframe *tf = l->l_md.md_regs;
tf->tf_ipsw = regs->r_regs[ 0];
tf->tf_r1 = regs->r_regs[ 1];
tf->tf_rp = regs->r_regs[ 2];
tf->tf_r3 = regs->r_regs[ 3];
tf->tf_r4 = regs->r_regs[ 4];
tf->tf_r5 = regs->r_regs[ 5];
tf->tf_r6 = regs->r_regs[ 6];
tf->tf_r7 = regs->r_regs[ 7];
tf->tf_r8 = regs->r_regs[ 8];
tf->tf_r9 = regs->r_regs[ 9];
tf->tf_r10 = regs->r_regs[10];
tf->tf_r11 = regs->r_regs[11];
tf->tf_r12 = regs->r_regs[12];
tf->tf_r13 = regs->r_regs[13];
tf->tf_r14 = regs->r_regs[14];
tf->tf_r15 = regs->r_regs[15];
tf->tf_r16 = regs->r_regs[16];
tf->tf_r17 = regs->r_regs[17];
tf->tf_r18 = regs->r_regs[18];
tf->tf_t4 = regs->r_regs[19];
tf->tf_t3 = regs->r_regs[20];
tf->tf_t2 = regs->r_regs[21];
tf->tf_t1 = regs->r_regs[22];
tf->tf_arg3 = regs->r_regs[23];
tf->tf_arg2 = regs->r_regs[24];
tf->tf_arg1 = regs->r_regs[25];
tf->tf_arg0 = regs->r_regs[26];
tf->tf_dp = regs->r_regs[27];
tf->tf_ret0 = regs->r_regs[28];
tf->tf_ret1 = regs->r_regs[29];
tf->tf_sp = regs->r_regs[30];
tf->tf_r31 = regs->r_regs[31];
tf->tf_sar = regs->r_sar;
tf->tf_iisq_head = regs->r_pcsqh;
tf->tf_iisq_tail = regs->r_pcsqt;
tf->tf_iioq_head = regs->r_pcoqh | HPPA_PC_PRIV_USER;
tf->tf_iioq_tail = regs->r_pcoqt | HPPA_PC_PRIV_USER;
tf->tf_sr0 = regs->r_sr0;
tf->tf_sr1 = regs->r_sr1;
tf->tf_sr2 = regs->r_sr2;
tf->tf_sr3 = regs->r_sr3;
tf->tf_sr4 = regs->r_sr4;
return 0;
}
int
process_write_fpregs(struct lwp *l, const struct fpreg *fpregs)
{
hppa_fpu_flush(l);
bcopy(fpregs, l->l_addr->u_pcb.pcb_fpregs, sizeof(*fpregs));
fdcache(HPPA_SID_KERNEL, (vaddr_t)&l->l_addr->u_pcb.pcb_fpregs,
sizeof(*fpregs));
return 0;
}
int
process_set_pc(struct lwp *l, void *addr)
{
l->l_md.md_regs->tf_iioq_head = (register_t)addr | HPPA_PC_PRIV_USER;
l->l_md.md_regs->tf_iioq_tail = l->l_md.md_regs->tf_iioq_head + 4;
return 0;
}